Tenaris Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of TS?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	858,712	0.0774%
Institutions	185,690,406	16.7%
General Public	208,503,653	18.8%
Private Companies	713,804,291	64.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 78.79% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
64.4%	Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin	713,605,187	US$13.2b	0%	no data
1.81%	BlackRock, Inc.	20,037,762	US$371.1m	-0.79%	0.01%
1.59%	The Vanguard Group, Inc.	17,648,518	US$326.8m	0.35%	no data
1.49%	Westwood Global Investments LLC	16,481,266	US$305.2m	-0.19%	7.44%
0.75%	FMR LLC	8,366,456	US$154.9m	15.3%	0.01%
0.73%	T. Rowe Price Group, Inc.	8,053,410	US$149.1m	16.8%	0.02%
0.71%	Amundi Asset Management SAS	7,912,062	US$146.5m	-20.4%	0.03%
0.61%	Wellington Management Group LLP	6,764,679	US$125.3m	-0.02%	0.01%
0.59%	Massachusetts Financial Services Company	6,511,662	US$120.6m	8.1%	0.02%
0.57%	JOHCM (USA) Inc	6,336,077	US$117.3m	0%	1.86%
0.57%	Caisse de dépôt et placement du Québec	6,305,192	US$116.8m	0%	0.11%
0.56%	Norges Bank Investment Management	6,190,460	US$114.6m	0%	0.01%
0.51%	Renaissance Technologies LLC	5,638,288	US$104.4m	8.76%	0.15%
0.48%	Van Eck Associates Corporation	5,376,908	US$99.6m	0%	0.11%
0.39%	Sourcerock Group LLC	4,333,000	US$80.2m	-28.9%	6.12%
0.37%	Millennium Management LLC	4,077,414	US$75.5m	403%	0.06%
0.37%	Balyasny Asset Management L.P.	4,073,218	US$75.4m	0%	0.2%
0.36%	Geode Capital Management, LLC	3,968,090	US$73.5m	3.59%	0.01%
0.34%	M&G Investment Management Limited	3,777,114	US$69.9m	0%	0.14%
0.32%	Citadel Advisors LLC	3,591,906	US$66.5m	7.37%	0.07%
0.32%	Orbis Investment Management Limited	3,558,034	US$65.9m	-75.8%	0.19%
0.28%	State Street Global Advisors, Inc.	3,124,266	US$57.9m	0%	no data
0.26%	Sir Capital Management, L.P.	2,861,102	US$53.0m	351%	4.96%
0.25%	Liontrust Asset Management PLC	2,717,581	US$50.3m	0%	0.21%
0.22%	Artemis Investment Management LLP	2,384,328	US$44.2m	0%	0.18%